# Aetos Alternatives Management

> Aetos Alternatives Management is an SEC-registered investment advisory firm in New York, NY, registered since 2001, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated March 25, 2026.

- CRD: 116761
- Filed as: AETOS ALTERNATIVES MANAGEMENT
- Legal name: Aetos Alternatives Management, L.P.
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: New York, NY
- Filing period: October 2026
- Form ADV filing dated: March 25, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/116761
- AdvisorCensus page: https://advisorcensus.com/firm/aetos-alternatives-management-new-york-ny-116761

## Quick answers

**How is Aetos Alternatives Management compensated?**
On its Form ADV (Item 5.E, October 2026), Aetos Alternatives Management reports these compensation arrangements: a percentage of assets under its management; performance-based fees. The amounts are in Item 5 of its Form ADV Part 2A brochure.

**Where is Aetos Alternatives Management located?**
Aetos Alternatives Management's principal office is in New York, NY, according to its Form ADV; the April 2026 filing also lists 1 other office (Schedule D, Section 1.F).

**Is Aetos Alternatives Management registered with the SEC or a state?**
Aetos Alternatives Management is an SEC-registered investment advisory firm, registered since 2001. Status as filed: Approved. CRD 116761.

**How much does Aetos Alternatives Management manage?**
Aetos Alternatives Management reports $5,796,667,297 in regulatory assets under management in its Form ADV filing dated March 25, 2026 (16% discretionary).

**How have Aetos Alternatives Management's assets and staff changed since 2021?**
In the Form ADV data for Aetos Alternatives Management: Regulatory assets under management: $8,828,995,102 in the October 2021 data and $5,796,667,297 in the October 2026 data, down 34%. Total employees: 28 in October 2021 and 19 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Aetos Alternatives Management serve?**
By number of clients on Form ADV Item 5.D: high net worth individuals (65); charitable organizations (16); pension and profit sharing plans (but not the plan participants or government pension plans) (13).

**Which custodians does Aetos Alternatives Management use?**
Aetos Alternatives Management's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists State Street as a custodian holding 10% or more of its separately managed account assets.

**Does Aetos Alternatives Management report any disciplinary disclosures?**
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/116761

**What changed in Aetos Alternatives Management's recent Form ADV filings?**
In the April 2026 filing data: Employees performing advisory functions went from 16 to 15. Regulatory assets under management went from $4,704,268,066 to $5,796,667,297 (+23%).

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Performance-based fees

### Custodians (Schedule D, Section 5.K(3))
- State Street

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

### Regulatory assets under management (Item 5.F)
- Total: $5,796,667,297
- Discretionary: $925,042,499
- Non-discretionary: $4,871,624,798

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| High net worth individuals | 65 | Not reported |
| Banking or thrift institutions | 0 | Not reported |
| Investment companies | 3 | $426,547,021 |
| Business development companies | 0 | Not reported |
| Pooled investment vehicles (other than investment companies and business development companies) | 7 | $4,874,577 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 13 | $2,648,327,914 |
| Charitable organizations | 16 | $2,716,917,785 |
| State or municipal government entities (including government pension plans) | Fewer than 5 | Not reported |
| Other investment advisers | 0 | Not reported |
| Insurance companies | 0 | Not reported |
| Sovereign wealth funds and foreign official institutions | 0 | Not reported |
| Corporations or other businesses not listed above | Fewer than 5 | Not reported |
| Other | 0 | Not reported |

### Advisory services (Item 5.G)
- Portfolio management for individuals and/or small businesses
- Portfolio management for investment companies (and business development companies)
- Portfolio management for pooled investment vehicles (other than investment companies)
- Portfolio management for businesses (other than small businesses) or institutional clients
- Selection of other advisers (including private fund managers)

### Firm details
- Registered since: 2001 (24 years)
- Employees: 19 total, 15 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: AZ, FL, MA, NY, TX
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the April 2026 filing
- Menlo Park, CA

### Websites listed on Form ADV (Item 1.I)
- [aetos.com](https://aetos.com)
- LinkedIn @aetos-alternatives-management

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $8,828,995,102 | 28 | March 31, 2021 |
| October 2022 | $7,811,869,068 | 28 | March 31, 2022 |
| October 2023 | $7,064,866,187 | 28 | March 29, 2023 |
| October 2024 | $5,356,034,258 | 25 | June 7, 2024 |
| October 2025 | $4,704,268,066 | 23 | March 31, 2025 |
| October 2026 | $5,796,667,297 | 19 | March 25, 2026 |

Regulatory assets under management: $8,828,995,102 in the October 2021 data and $5,796,667,297 in the October 2026 data, down 34%.
Total employees: 28 in October 2021 and 19 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Employees performing advisory functions went from 16 to 15.
- Regulatory assets under management went from $4,704,268,066 to $5,796,667,297 (+23%).

### February 2026
- Updated its list of owners and control persons (Schedule A).

### January 2026
- No longer registered or notice-filed in CA.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Aetos Alternatives Management (CRD 116761): Form ADV filing data as of October 2026.